What's this test for?

This test is ideal if you're following up on abnormal cell growth findings or have a family or personal history that raises concern about chromosome-related conditions. It looks closely at specific parts of your chromosomes to check for changes that can be linked to certain cancers or genetic conditions. It's often used as a targeted follow-up test rather than a first-line screening.

What happens after I get my results?

Your results will appear in your account along with an explanation of what a normal versus abnormal finding looks like for this type of test. Depending on what's found, next steps might include repeating the test at a later date, getting additional targeted probes run, or making lifestyle adjustments while monitoring your health. You can download a standard lab report from your account at any time, and if you retest in the future, you'll be able to track results over time using the trends feature. If your results show a finding that needs urgent attention, seek medical care right away.

What symptoms indicate I may need this test?

You might consider this test if you've had unusual results from a previous blood or tissue test, a strong family history of certain cancers, or unexplained symptoms like persistent fatigue, unusual bruising, or swollen lymph nodes. Because this test looks for very specific chromosome changes, it's usually ordered to confirm or clarify a suspected issue rather than to explain general symptoms. If you're unsure whether your symptoms fit, this test is a good next step when a healthcare concern has already been flagged.

How can I naturally support healthy cell function?

While you can't change your chromosomes through lifestyle, you can support your overall cellular health with a nutrient-rich diet full of fruits, vegetables, and antioxidants. Limiting alcohol, avoiding tobacco, getting regular exercise, and managing stress all help reduce the everyday burden on your cells. Staying on top of routine health checks and retesting as recommended also helps you catch changes early.

When will I get my results?

Results for this test are typically ready within about 7 days of your sample being processed at the lab. This type of testing involves a detailed lab process, so it takes a bit longer than a standard blood test. You'll get a notification as soon as your results are ready to view in your account.

Who should consider this test?

This test is generally considered by people who have already had a related finding on a blood test, biopsy, or imaging study that needs clarification. It's also relevant for those with a known family history of specific chromosomal conditions. This is a good next step when a specific concern needs closer chromosome-level investigation.

What is FISH testing and why does it matter?

FISH stands for fluorescence in situ hybridization, a lab method that uses glowing tags to find specific pieces of your chromosomes under a microscope. It matters because it can detect very small, specific chromosome changes that regular blood tests can't see. This level of detail helps clarify a diagnosis or track a known condition more precisely.

What does an abnormal FISH result mean?

An abnormal result means the lab found a change in the specific chromosome region the probes were designed to check, such as an extra copy, a missing piece, or a rearrangement. What this means for you depends heavily on which probes were used and your personal health history. The report explains what each finding means, and next steps often involve additional testing or monitoring.

How often should I retest?

Retesting frequency really depends on why you're being tested in the first place — some people retest every few months to track a known condition, while others may only need this test once. If this test was ordered to follow up on a previous finding, repeating it later can help show whether things have changed. Generally, spacing retests out by several months to a year is common unless there's a specific reason to test sooner.

What should I do if my results are abnormal?

Start by reading the full explanation in your lab report, since it breaks down what each finding means in plain terms. Consider discussing next steps with a genetic counselor or specialist familiar with your specific situation, and keep a copy of your report for future reference. If your results indicate something urgent, seek medical care as soon as possible.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

FISH Locus-Specific Probe Test - Chromosome Screening

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

[email protected]

FISH Chromosome Probe Test (3 Probes)

FISH, Locus-Specific Probe (x3)

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

What's this test for?

What happens after I get my results?

What symptoms indicate I may need this test?

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

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FISH Chromosome Probe Test (3 Probes)

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

1,000,000+ blood tests later, here's what our customers say